renovate: add node engine

.github/renovate.json

@@ -6,10 +6,40 @@
     "reviewers": ["maxileith"],
     "prConcurrentLimit": 0,
     "prHourlyLimit": 0,
-    "enabledManagers": ["nvm"],
+    "enabledManagers": ["nvm", "regex"],
+    "rangeStrategy": "bump",
+    "schedule": ["* 4 * * 1,2,3,4,5"],
+    "semanticCommits": "disabled",
     "nvm": {
         "commitMessagePrefix": "nvm:"
     },
-    "schedule": ["* 4 * * 1,2,3,4,5"],
-    "semanticCommits": "disabled"
+    "customManagers": [
+        {
+            "customType": "regex",
+            "fileMatch": ["^package(-lock)?\\.json$"],
+            "matchStrings": [
+                "\\\"engines\\\":[\\s\\n]*\\{[^\\{\\}]*\\\"homebridge\\\"[^\\{\\}]*\\\"(?<depName>node)\\\":[\\s\\n]*\\\"\\^(?<currentValue>[^\\s]+)\\s\\|\\|\\s\\^[^\\\"]+\\\"",
+                "\\\"engines\\\":[\\s\\n]*\\{[^\\{\\}]*\\\"homebridge\\\"[^\\{\\}]*\\\"(?<depName>node)\\\":[\\s\\n]*\\\"\\^[^\\s]+\\s\\|\\|\\s\\^(?<currentValue>[^\\\"]+)\\\""
+            ],
+            "matchStringsStrategy": "any",
+            "datasourceTemplate": "node-version"
+        }
+    ],
+    "regex": {
+        "commitMessagePrefix": "npm:",
+        "packageRules": [
+            {
+                "matchPackageNames": ["node"],
+                "matchUpdateTypes": ["major"],
+                "enabled": false
+            }
+        ]
+    },
+    "packageRules": [
+        {
+            "matchPackageNames": ["node"],
+            "matchUpdateTypes": ["major"],
+            "enabled": false
+        }
+    ]
 }

.nvmrc

@@ -1 +1 @@
-20.10.0
+20.9.0

package.json

@@ -14,7 +14,7 @@
     },
     "engines": {
         "homebridge": "^1.7.0",
-        "node": "^20.9.0 || ^18.19.0"
+        "node": "^20.9.0 || ^18.18.0"
     },
     "keywords": [
         "homebridge-plugin",